Chapter 26. The Mediator Pattern

When a program is made up of a number of classes, the logic and computation is divided logically among these classes. However, as more of these isolated classes are developed in a program, the problem of communication between these classes becomes more complex. The more each class needs to know about the methods of another class, the more tangled the class structure can become. This makes the program harder to read and harder to maintain. Further, it can become difficult to change the program, since any change may affect code in several other classes. The Mediator pattern addresses this problem by promoting looser coupling between these classes. Mediators accomplish this by being the only class that has detailed ...

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